2-Methyl-1,2-propanediamine

  • 1,2-Diamino-2-methylpropane
  • Isobutylenediamine
  • 1,1-Dimethyl-1,2-ethanediamine
Formula
C4H12N2
Structure

Registry Numbers and Inventories.
CAS
811-93-8
EC (EINECS/ELINCS)
212-374-4
26 36/37/39 45
RTECS
TX8250000
RTECS class
Drug
UN (DOT)
2734
Beilstein/Gmelin
773658
Beilstein Reference
4-04-00-01306

Properties.
Formula
C4H12N2
Formula mass
88.18
Melting point, °C
-17
Boiling point, °C
131
Vapor pressure, mmHg
9.5 (25 C)
Density
0.8417 g/ml (25 C)
Solubility in water
Very soluble
Refractive index
1.4382 (25 C)
pKa/pKb
4.04 (pKb)
Heat of vaporization
26.9 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat, sparks, and open flame. Store in a cool dry place.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Make no contact with the spilled material. Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources and ground all equipment. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean non-sparking tools to collect absorbed material.
Incompatibilities
Acids, Acid chlorides, Acid anhydrides, Strong oxidizing agents Carbon dioxide.
Decomposition
Thermal decomposition may produce carbon monoxide, carbon dioxide, and nitrogen oxides.

Fire.
Flash Point,°C
24
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Unsuitable: Water may be effective for cooling, but may not effect extinguishment. Wear self-contained breathing apparatus and protective clothing to prevent contact
Fire potential
Flammable/combustible material. May be ignited by heat, sparks or flames.
Hazards
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
Flammable. Irritant. Irritating to eyes, respiratory system and skin.
   Ingestion
May cause toxic effects.
   Inhalation
Vapors may cause dizziness or suffocation. May cause toxic effects.
   Skin
Contact with substance may cause severe burns.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes. Wash skin with soap and water.
   Eyes
In case of contact with substance, immediately flush with running water for at least 20 minutes.

Transport.
UN number
2734
Response guide
Hazard class
8
Packing Group
II